Corrugated box industry faces raw material crisis due to export of pulp to China SECTIONS Share Synopsis The price of kraft paper, the main raw material for the industry, has risen over the last few months. Manufacturers attribute it to increased exports of the commodity to China, which has switched to using pure paper fibre from this year. Indian manufacturers of corrugated boxes say raw material shortage in the domestic market due to increased exports of paper pulp to China is crippling operations. The price of kraft paper, the main raw material for the industry, has risen over the last few months. Manufacturers attribute it to increased exports of the commodity to China, which has switched to using pure paper fibre from this year.